Alternating current can induce voltage because it has a

Physics

JAMB 1981

A. ripple value
B. varying magnetic field
C. weaker magnetic field than direct current
D. stonger magnetic field than direct current
E. high peak value

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Correct Answer: Option B

Explanation

Due to the change in the voltage in an AC, which either increases or decreases, the magnetic field around it is alwats eithercollapsing or expanding (varying magnetic field).

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Alternating current can induce voltage because it has a

Correct Answer: Option B

Explanation

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